Answer: intoners

AnswerCrossword Clue
INTONERSChanting group
INTONERSChanters
INTONERSUtterers of chants.
INTONERSChanters.
INTONERSMonks, at times
INTONERSChanting monks
intonersINTONER, one who intones (to speak in a singing voice)
intonersto use a particular spoken tone
intonersto chant